/*
 * Zed Attack Proxy (ZAP) and its related class files.
 *
 * ZAP is an HTTP/HTTPS proxy for assessing web application security.
 *
 * Copyright 2012 The ZAP Development Team
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.zaproxy.zap.extension.httppanel.view.impl.models.http.request;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.parosproxy.paros.Constant;
import org.parosproxy.paros.network.HttpHeader;
import org.parosproxy.paros.network.HttpMalformedHeaderException;
import org.zaproxy.zap.extension.httppanel.InvalidMessageDataException;
import org.zaproxy.zap.extension.httppanel.view.impl.models.http.AbstractHttpStringHttpPanelViewModel;

public class RequestStringHttpPanelViewModel extends AbstractHttpStringHttpPanelViewModel {

    private static final Logger LOGGER =
            LogManager.getLogger(RequestStringHttpPanelViewModel.class);

    @Override
    public String getData() {
        if (httpMessage == null) {
            return "";
        }

        return httpMessage.getRequestHeader().toString().replaceAll(HttpHeader.CRLF, HttpHeader.LF)
                + httpMessage.getRequestBody().toString();
    }

    @Override
    public void setData(String data) {
        if (httpMessage == null) {
            return;
        }

        String[] parts = data.split(HttpHeader.LF + HttpHeader.LF);
        String header = parts[0].replaceAll("(?<!\r)\n", HttpHeader.CRLF);
        // Note that if the body has LF, those characters will not be replaced by CRLF.

        try {
            httpMessage.setRequestHeader(header);
        } catch (HttpMalformedHeaderException e) {
            LOGGER.warn("Could not Save Header: {}", header, e);
            throw new InvalidMessageDataException(
                    Constant.messages.getString("http.panel.model.header.warn.malformed"), e);
        }

        String body = "";
        if (parts.length > 1) {
            body = data.substring(parts[0].length() + 2);
        }
        httpMessage.setRequestBody(body);
    }
}
